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7
CARDIOID RESPONSE GRAPHS
FIGURE 3. TYPICAL FREQUENCY RESPONSE
20 200001000 1000050 100
98765432
98765432
+10
0
-- 1 0
Hz
dB
15 cm.
60 cm.
FIGURE 4. TYPICAL POLAR PATTERNS
125
250
1000
500
2500
5000
10000
15000
150
o
120
o
150
o
120
o
180
o
30
o
60
o
90
o
30
o
60
o
90
o
30
o
60
o
90
o
150
o
120
o
150
o
120
o
180
o
30
o
60
o
90
o
-- 5 d B
--10 dB
--15 dB
--20 dB
+5 dB
-- 5 d B
--10 dB
--15 dB
--20 dB
+5 dB
OMNIDIRECTIONAL RESPONSE GRAPHS
FIGURE 5. TYPICAL FREQUENCY RESPONSE
20 200001000 1000050 100
98765432
98765432
+10
0
-- 1 0
Hz
dB
15 cm.
60 cm.
